You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <allimages aicontinue="Bazaar_Dragon_Eggs.png" />
  </query-continue>
  <query>
    <allimages>
      <img name="Bard.png" timestamp="2010-09-15T07:08:48Z" url="images/xhodon_wiki_en/8/82/Bard.png" descriptionurl="https://wiki.xhodon.com/File:Bard.png" ns="6" title="File:Bard.png" />
      <img name="Battle_report.png" timestamp="2009-05-24T18:46:14Z" url="images/xhodon_wiki_en/3/38/Battle_report.png" descriptionurl="https://wiki.xhodon.com/File:Battle_report.png" ns="6" title="File:Battle report.png" />
      <img name="Battle_report_attacker.png" timestamp="2009-05-24T18:52:15Z" url="images/xhodon_wiki_en/2/2c/Battle_report_attacker.png" descriptionurl="https://wiki.xhodon.com/File:Battle_report_attacker.png" ns="6" title="File:Battle report attacker.png" />
      <img name="Battle_report_defeat.png" timestamp="2009-05-24T18:37:42Z" url="images/xhodon_wiki_en/d/d0/Battle_report_defeat.png" descriptionurl="https://wiki.xhodon.com/File:Battle_report_defeat.png" ns="6" title="File:Battle report defeat.png" />
      <img name="Battle_report_defender.png" timestamp="2009-05-24T18:56:08Z" url="images/xhodon_wiki_en/d/d0/Battle_report_defender.png" descriptionurl="https://wiki.xhodon.com/File:Battle_report_defender.png" ns="6" title="File:Battle report defender.png" />
      <img name="Battle_report_header.png" timestamp="2009-05-24T18:48:42Z" url="images/xhodon_wiki_en/d/d2/Battle_report_header.png" descriptionurl="https://wiki.xhodon.com/File:Battle_report_header.png" ns="6" title="File:Battle report header.png" />
      <img name="Battle_report_ingredients.png" timestamp="2009-05-24T18:57:03Z" url="images/xhodon_wiki_en/4/4b/Battle_report_ingredients.png" descriptionurl="https://wiki.xhodon.com/File:Battle_report_ingredients.png" ns="6" title="File:Battle report ingredients.png" />
      <img name="Battle_report_message.png" timestamp="2009-05-24T18:32:49Z" url="images/xhodon_wiki_en/d/d6/Battle_report_message.png" descriptionurl="https://wiki.xhodon.com/File:Battle_report_message.png" ns="6" title="File:Battle report message.png" />
      <img name="Battle_report_resources.png" timestamp="2009-05-24T18:54:12Z" url="images/xhodon_wiki_en/e/e2/Battle_report_resources.png" descriptionurl="https://wiki.xhodon.com/File:Battle_report_resources.png" ns="6" title="File:Battle report resources.png" />
      <img name="Battle_report_victory.png" timestamp="2009-05-24T18:49:52Z" url="images/xhodon_wiki_en/7/76/Battle_report_victory.png" descriptionurl="https://wiki.xhodon.com/File:Battle_report_victory.png" ns="6" title="File:Battle report victory.png" />
    </allimages>
  </query>
</api>